XmInternAtom - Man Page

#include <Xm/AtomMgr​.h>
Atom XmInternAtom(
Display * display,
String name,
Boolean only_if_exists);

XmInternAtom returns an atom for a given name​. The returned atom remains defined even after the client​'s connection closes​. The returned atom becomes undefined when the last connection to the X server closes​.

display

Specifies the connection to the X server

name

Specifies the name associated with the atom you want returned​. The value of name is case dependent​.

only_if_exists

Specifies a Boolean value​. If False, the atom is created even if it does not exist​. (If it does not exist, the returned atom will be None​.) If True, the atom is created only if it exists​.

Returns an atom​.

VendorShell(3), XmActivateProtocol(3), XmActivateWMProtocol(3), XmAddProtocolCallback(3), XmAddProtocols(3), XmAddWMProtocolCallback(3), XmAddWMProtocols(3), XmDeactivateProtocol(3), XmDeactivateWMProtocol(3), XmRemoveProtocolCallback(3), XmRemoveProtocols(3), XmRemoveWMProtocolCallback(3), XmRemoveWMProtocols(3), XmSetProtocolHooks(3), XmSetWMProtocolHooks(3).